Understanding Integers and Their Properties

What makes a number an integer?

• It has a decimal point.

• It is a whole number, like 1, 2, or 3, or a whole number less than zero, like -1, -2.

• It is a fraction, like 1/2.

• It is always a very big number.

Which of these numbers IS an integer?

• 0.75 (seventy-five hundredths)

• 3/4 (three fourths)

• -7

• 2.5 (two and a half)

Is the number zero (0) an integer?

• Yes, it is an integer.

• No, it is not an integer.

• Only if it's a positive number.

• Only if it's a negative number.

Which of these numbers is NOT an integer?

• 5

• -2

• 1/2 (one half)

• 10